Home / 119,534.42-179,240.43-66,929.78

Finding the Fourth Proportional to 119,534.42, 179,240.43 and 66,929.78

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Solution

The fourth proportional to 119,534.42, 179,240.43 and 66,929.78 is: 100,360.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,534.42 : 179,240.43 = 66,929.78 : x
  2. Step 2: Convert to fraction form
    119,534.42/179,240.43 = 66,929.78/x
  3. Step 3: Cross multiply
    119,534.42x = 179,240.43 × 66,929.78
  4. Step 4: Simplify right side
    119,534.42x = 11,996,522,547.01
  5. Step 5: Solve for x
    x = 11,996,522,547.01/119,534.42
  6. Step 6: Final answer
    x = 100,360.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.